Chapter 15 Male Reproductive System

gametes

reproductive cells made by gonads

generated by meiosis

GU UG

urinarygenital tract

spermatozoa

sing. spermatazoon

made in testes (sing. testis)

testes

inside scrotum (ballsack)

inguinal canal

channel where testes descend into scrotum

androgens

male sex cell, main one testosterone

made in interstitial cell in testes

Follicle stimulating hormone FSH

stimulate gonads

stimulate sertoli cells and sperm

LH luteinizing hormone

released from pituitary gland (beneath brain) and stimulates interstitial cells to make testosterone

epididymis

coiled tube on surface of each testis, where sperm is stored

ductus deferens

1st duct of ejaculation, inside spermatic cord (supplies blood and nerves to testis)

ejaculatory duct

2nd duct, brings sperm to urethra and passes thru prostate gland

prostate gland

below bladder above bulb gland

secretes into first part of urethra

glans penis

tip (bulbous end)

prepuce

foreskin

circumcision

surgery to remove foreskin

semen

transports sperm

seminal vesicles

release secretions into ejaculatory duct

bulbourethral glands

secrete into urethra below prostate (cowper)

Priapism

continuous erection of the penis

balanic disorder

glans penis (tip)

Gleason tumor grading system

prostate cancer

Treponema pallidum

causes syphilis

sildenafil citrate

viagra

Vasorrhaphy

suture of the ductus deferens

Anorchism

absence of a testis

condyloma

wartlike lesion on the genitals

Phimosis

foreskin narrows and prevents exposure of the glans penis

DRE

(digital rectal exam), palpation of the prostate gland

GC

gonococcus, causes an STI

TURP

surgery for BPH

Benign prostatic hyperplasia

prostate gland enlarges

prostatectomy

prostate removed

orichiectomy

remove testes

orchi/o

testis

osche/o

scrotum

cryptorchidism

hidden testis (hasn’t dropped to scrotum yet)

vasectomy

sterilized, cut vas deferens

vas deferens

sperm duct, transport mature sperm from the epididymis to the urethra

erectile dysfunction/ impotence

failure to initiate or maintain an erection until ejaculation

inguinal hernia

intestine/ organ enters inguinal canal and extend to scrotum

herniorrhaphy

corrects a hernia

seminiferous tubules

make sperm inside testes, cintain serotoli cells